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.\" Copyright 2015 Joyent, Inc.
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.Dd November 27, 2023
.Dt PROC_GET_PSINFO 3PROC
.Os
.Sh NAME
.Nm proc_get_psinfo
.Nd get process ps information
.Sh LIBRARY
.Lb libproc
.Sh SYNOPSIS
.In libproc.h
.Ft int
.Fo proc_get_psinfo
.Fa "pid_t pid"
.Fa "psinfo_t *psp"
.Fc
.Sh DESCRIPTION
The
.Fn proc_get_psinfo
function is a convenient way to read the /proc psinfo file for the
process
.Fa pid .
The
.Xr ps 1
related information of the process will be filled into
.Fa psp .
The definition of the
.Sy psinfo_t
structure may be found in
.Xr proc 5 .
.Sh RETURN VALUES
Upon successful completion, the
.Fn proc_get_psinfo
function returns
.Sy 0 .
Otherwise,
.Sy -1
is returned to indicate an error occurred.
.Sh INTERFACE STABILITY
.Sy Uncommitted
.Sh MT-LEVEL
.Sy MT-Safe
.Sh SEE ALSO
.Xr libproc 3LIB ,
.Xr proc 5
